NDLI: Radiation exposure analyses supporting the development of solar particle event shielding technologies

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Radiation exposure analyses supporting the development of solar particle event shielding technologies

Content Provider	NASA Technical Reports Server (NTRS)
Author	Walker, Steven A. Abston, H. Lee Clowdsley, Martha S. Simon, Hatthew A. Gallegos, Adam M.
Copyright Year	2013
Description	NASA has plans for long duration missions beyond low Earth orbit (LEO). Outside of LEO, large solar particle events (SPEs), which occur sporadically, can deliver a very large dose in a short amount of time. The relatively low proton energies make SPE shielding practical, and the possibility of the occurrence of a large event drives the need for SPE shielding for all deep space missions. The Advanced Exploration Systems (AES) RadWorks Storm Shelter Team was charged with developing minimal mass SPE storm shelter concepts for missions beyond LEO. The concepts developed included "wearable" shields, shelters that could be deployed at the onset of an event, and augmentations to the crew quarters. The radiation transport codes, human body models, and vehicle geometry tools contained in the On-Line Tool for the Assessment of Radiation In Space (OLTARIS) were used to evaluate the protection provided by each concept within a realistic space habitat and provide the concept designers with shield thickness requirements. Several different SPE models were utilized to examine the dependence of the shield requirements on the event spectrum. This paper describes the radiation analysis methods and the results of these analyses for several of the shielding concepts.
File Size	959594
Page Count	14
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20140000593
Archival Resource Key	ark:/13960/t91889815
Language	English
Publisher Date	2013-07-14
Access Restriction	Open
Subject Keyword	Space Radiation Solar Storms Low Earth Orbits Space Habitats Deep Space Spacecraft Cabins Solar Corpuscular Radiation Shielding Radiation Dosage Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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